Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
24
PM2.5
74
*
PM10
93
O3
0.7
CO
14
SO2
25
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
25 Apr
84
Good
Fri
26 Apr
87
Good
Sat
27 Apr
80
Good
Sun
28 Apr
63
Good
Mon
29 Apr
56
Good
Tue
30 Apr
55
Good
Wed
1 May
60
Good
Air quality in the last 12 months (Tieling County)
|
2024/02
|
84
|
133
|
150
|
120
|
92
|
98
|
108
|
153
|
181
|
325
|
82
|
62
|
91
|
37
|
40
|
55
|
45
|
31
|
47
|
35
|
30
|
38
|
53
|
71
|
83
|
68
|
75
|
93
|
68
|
||
|
2024/01
|
121
|
175
|
127
|
64
|
37
|
55
|
27
|
38
|
71
|
79
|
61
|
60
|
51
|
46
|
62
|
59
|
83
|
61
|
78
|
53
|
34
|
31
|
66
|
74
|
75
|
86
|
65
|
87
|
57
|
134
|
75
|
|
2023/12
|
47
|
43
|
48
|
82
|
118
|
83
|
54
|
90
|
26
|
28
|
56
|
57
|
72
|
80
|
48
|
30
|
38
|
75
|
80
|
58
|
74
|
102
|
97
|
130
|
102
|
64
|
119
|
109
|
88
|
106
|
63
|
|
2023/11
|
49
|
80
|
23
|
54
|
163
|
47
|
39
|
54
|
56
|
33
|
53
|
83
|
64
|
84
|
91
|
54
|
24
|
43
|
39
|
41
|
92
|
79
|
20
|
23
|
40
|
67
|
95
|
36
|
35
|
37
|
|
|
2023/10
|
36
|
43
|
48
|
33
|
28
|
44
|
42
|
36
|
36
|
41
|
44
|
48
|
60
|
54
|
52
|
35
|
43
|
42
|
34
|
23
|
30
|
41
|
82
|
96
|
83
|
31
|
111
|
138
|
131
|
66
|
79
|
|
2023/09
|
37
|
44
|
41
|
47
|
29
|
29
|
40
|
55
|
37
|
40
|
40
|
24
|
31
|
36
|
44
|
49
|
64
|
50
|
22
|
20
|
29
|
38
|
25
|
33
|
35
|
33
|
59
|
37
|
43
|
36
|
|
|
2023/08
|
44
|
37
|
43
|
39
|
18
|
14
|
17
|
22
|
23
|
22
|
21
|
27
|
14
|
29
|
29
|
32
|
37
|
51
|
48
|
39
|
32
|
26
|
26
|
28
|
20
|
28
|
30
|
25
|
18
|
22
|
24
|
|
2023/07
|
43
|
60
|
42
|
37
|
48
|
65
|
50
|
32
|
32
|
34
|
38
|
43
|
41
|
27
|
25
|
17
|
29
|
58
|
68
|
87
|
61
|
38
|
24
|
36
|
34
|
40
|
30
|
23
|
24
|
20
|
32
|
|
2023/06
|
51
|
34
|
33
|
33
|
44
|
58
|
47
|
36
|
36
|
27
|
30
|
40
|
42
|
61
|
68
|
64
|
70
|
66
|
67
|
33
|
32
|
37
|
39
|
56
|
38
|
41
|
51
|
52
|
46
|
56
|
|
|
2023/05
|
39
|
60
|
56
|
47
|
45
|
34
|
42
|
54
|
36
|
51
|
44
|
67
|
59
|
40
|
58
|
70
|
32
|
27
|
37
|
224
|
140
|
45
|
50
|
61
|
61
|
62
|
47
|
48
|
31
|
37
|
51
|
|
2023/04
|
85
|
81
|
89
|
130
|
269
|
73
|
49
|
45
|
105
|
84
|
305
|
204
|
342
|
117
|
147
|
85
|
82
|
68
|
90
|
72
|
102
|
71
|
52
|
59
|
58
|
33
|
52
|
46
|
32
|
46
|
|
|
2023/03
|
62
|
75
|
75
|
93
|
129
|
121
|
111
|
61
|
96
|
107
|
108
|
41
|
64
|
83
|
73
|
56
|
117
|
91
|
103
|
109
|
95
|
269
|
228
|
40
|
56
|
49
|
77
|
80
|
103
|
102
|
111
|
|
1
|
2
|
3
|
4
|
5
|
6
|
7
|
8
|
9
|
10
|
11
|
12
|
13
|
14
|
15
|
16
|
17
|
18
|
19
|
20
|
21
|
22
|
23
|
24
|
25
|
26
|
27
|
28
|
29
|
30
|
31
|
- Excellent
- Good
- Lightly
- Moderately
- Heavily
- Severely
Air quality source: CNEMC
*: primary pollution